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1211222202119 is a prime number
BaseRepresentation
bin10001101000000010011…
…110000001011100000111
311021210101011021001012222
4101220002132001130013
5124321040340431434
62324232223202555
7153336133563326
oct21500236013407
94253334231188
101211222202119
114277493a16a6
121768aba4645b
138a2aa5711a7
14428a2b1a0bd
152179001c72e
hex11a02781707

1211222202119 has 2 divisors, whose sum is σ = 1211222202120. Its totient is φ = 1211222202118.

The previous prime is 1211222202077. The next prime is 1211222202143. The reversal of 1211222202119 is 9112022221121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1211222202119 - 28 = 1211222201863 is a prime.

It is a super-2 number, since 2×12112222021192 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1211222202319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605611101059 + 605611101060.

It is an arithmetic number, because the mean of its divisors is an integer number (605611101060).

Almost surely, 21211222202119 is an apocalyptic number.

1211222202119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211222202119 is an equidigital number, since it uses as much as digits as its factorization.

1211222202119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 1211222202119 in words is "one trillion, two hundred eleven billion, two hundred twenty-two million, two hundred two thousand, one hundred nineteen".